Grodan® Stonewool Delta® Gro-Blocks®

DELTA 4 BLOCK 3x3x2.5" HOLE (1= 48 PKS)

Gro-Blocks are similar to 'plant container'. Need a 3" pot? Then choose a 3" Gro-Block. Small plants can be fully grown in larger Gro-Blocks. Holes are perfect size for any 1.5" starter plug. Come in packs labeled with instructions.